[INFO] fetching crate tellmewhy 0.1.0...
[INFO] testing tellmewhy-0.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate tellmewhy 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tellmewhy 0.1.0
[INFO] finished tweaking crates.io crate tellmewhy 0.1.0
[INFO] tweaked toml for crates.io crate tellmewhy 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tellmewhy 0.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tellmewhy 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34bd60cdf3642ab26fe0d35bc9aa5abeced4d6d0e3ae283c699e70c9d7ff8d60
[INFO] running `Command { std: "docker" "start" "-a" "34bd60cdf3642ab26fe0d35bc9aa5abeced4d6d0e3ae283c699e70c9d7ff8d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34bd60cdf3642ab26fe0d35bc9aa5abeced4d6d0e3ae283c699e70c9d7ff8d60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34bd60cdf3642ab26fe0d35bc9aa5abeced4d6d0e3ae283c699e70c9d7ff8d60", kill_on_drop: false }`
[INFO] [stdout] 34bd60cdf3642ab26fe0d35bc9aa5abeced4d6d0e3ae283c699e70c9d7ff8d60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a6e8f0313d8c9b5f229bc6f28eb315b4ffdaf284718811562899e4100a26b206
[INFO] running `Command { std: "docker" "start" "-a" "a6e8f0313d8c9b5f229bc6f28eb315b4ffdaf284718811562899e4100a26b206", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling signal-hook v0.3.15
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling crossterm v0.26.1
[INFO] [stderr]    Compiling tellmewhy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/types/string.rs:119:43
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Some(i) => Ok(Message::Result((i))),
[INFO] [stdout]     |                                           ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 119 -             Some(i) => Ok(Message::Result((i))),
[INFO] [stdout] 119 +             Some(i) => Ok(Message::Result(i )),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.63s
[INFO] running `Command { std: "docker" "inspect" "a6e8f0313d8c9b5f229bc6f28eb315b4ffdaf284718811562899e4100a26b206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6e8f0313d8c9b5f229bc6f28eb315b4ffdaf284718811562899e4100a26b206", kill_on_drop: false }`
[INFO] [stdout] a6e8f0313d8c9b5f229bc6f28eb315b4ffdaf284718811562899e4100a26b206
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31e3fb186a36affacbbeca289b12c30268fcced3d8ba2ad30aae1eac3c0bd38f
[INFO] running `Command { std: "docker" "start" "-a" "31e3fb186a36affacbbeca289b12c30268fcced3d8ba2ad30aae1eac3c0bd38f", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/types/string.rs:119:43
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Some(i) => Ok(Message::Result((i))),
[INFO] [stdout]     |                                           ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 119 -             Some(i) => Ok(Message::Result((i))),
[INFO] [stdout] 119 +             Some(i) => Ok(Message::Result(i )),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pretty_assertions v1.3.0
[INFO] [stderr]    Compiling tellmewhy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/types/string.rs:119:43
[INFO] [stdout]     |
[INFO] [stdout] 119 |             Some(i) => Ok(Message::Result((i))),
[INFO] [stdout]     |                                           ^ ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 119 -             Some(i) => Ok(Message::Result((i))),
[INFO] [stdout] 119 +             Some(i) => Ok(Message::Result(i )),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "31e3fb186a36affacbbeca289b12c30268fcced3d8ba2ad30aae1eac3c0bd38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e3fb186a36affacbbeca289b12c30268fcced3d8ba2ad30aae1eac3c0bd38f", kill_on_drop: false }`
[INFO] [stdout] 31e3fb186a36affacbbeca289b12c30268fcced3d8ba2ad30aae1eac3c0bd38f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40a021b5bb2fd39409bc58454cb8a15d61e3c5768d33bc74987a576c7d633fe5
[INFO] running `Command { std: "docker" "start" "-a" "40a021b5bb2fd39409bc58454cb8a15d61e3c5768d33bc74987a576c7d633fe5", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/types/string.rs:119:43
[INFO] [stderr]     |
[INFO] [stderr] 119 |             Some(i) => Ok(Message::Result((i))),
[INFO] [stderr]     |                                           ^ ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 119 -             Some(i) => Ok(Message::Result((i))),
[INFO] [stderr] 119 +             Some(i) => Ok(Message::Result(i )),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `tellmewhy` (lib) generated 1 warning (run `cargo fix --lib -p tellmewhy` to apply 1 suggestion)
[INFO] [stderr] warning: `tellmewhy` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tellmewhy-41bc576da971e713)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test util::tests::t_remove_char_from_input_x_end ... ok
[INFO] [stdout] test util::tests::t_truncate_x_normal_ellipsis ... ok
[INFO] [stdout] test util::tests::t_truncate_x_normal ... ok
[INFO] [stdout] test util::tests::t_remove_char_from_input_x_middle ... ok
[INFO] [stdout] test util::tests::t_insert_char_into_input_x_middle ... ok
[INFO] [stdout] test util::tests::t_insert_char_into_input_x_end ... ok
[INFO] [stdout] test util::tests::t_remove_char_from_input_x_beginning ... ok
[INFO] [stdout] test util::tests::t_get_input_suffix ... ok
[INFO] [stdout] test util::tests::t_get_input_prefix ... ok
[INFO] [stdout] test util::tests::t_insert_char_into_input_x_reaching_limit ... ok
[INFO] [stdout] test util::tests::t_insert_char_into_input_x_beginning ... ok
[INFO] [stdout] test util::tests::t_truncate_x_scroll_end_ellipsis ... ok
[INFO] [stdout] test util::tests::t_truncate_x_scroll_end ... ok
[INFO] [stdout] test util::tests::t_truncate_x_scroll_middle ... ok
[INFO] [stdout] test util::tests::t_truncate_x_scroll_middle_ellipsis ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tellmewhy_bin-adce5705cc284d7c)
[INFO] [stderr]    Doc-tests tellmewhy
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/types/string.rs:119:43
[INFO] [stderr]     |
[INFO] [stderr] 119 |             Some(i) => Ok(Message::Result((i))),
[INFO] [stderr]     |                                           ^ ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 119 -             Some(i) => Ok(Message::Result((i))),
[INFO] [stderr] 119 +             Some(i) => Ok(Message::Result(i )),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "40a021b5bb2fd39409bc58454cb8a15d61e3c5768d33bc74987a576c7d633fe5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a021b5bb2fd39409bc58454cb8a15d61e3c5768d33bc74987a576c7d633fe5", kill_on_drop: false }`
[INFO] [stdout] 40a021b5bb2fd39409bc58454cb8a15d61e3c5768d33bc74987a576c7d633fe5